AE86 4age engine not starts crank ok backfires to air intake

[Nakilad]

(06-04-2018 08:23 PM)Bean Wrote:  The diagnostic connector is usually located near the firewall close to the intake plenum. Black connector with a small cap.
You should bridge some pins there too to set the timing properly.

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I think he has a zenki, therefore he doesn't have the diagnostic connector. Two sets of plugs near to the wiper motor, one is for the fuel pump bridge, and the other is for the computer code checking / idle timing.